Home / 129,254.52-193,867.20-45,000.48

Finding the Fourth Proportional to 129,254.52, 193,867.20 and 45,000.48

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Solution

The fourth proportional to 129,254.52, 193,867.20 and 45,000.48 is: 67,495.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,254.52 : 193,867.20 = 45,000.48 : x
  2. Step 2: Convert to fraction form
    129,254.52/193,867.20 = 45,000.48/x
  3. Step 3: Cross multiply
    129,254.52x = 193,867.20 × 45,000.48
  4. Step 4: Simplify right side
    129,254.52x = 8,724,117,056.26
  5. Step 5: Solve for x
    x = 8,724,117,056.26/129,254.52
  6. Step 6: Final answer
    x = 67,495.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.